1447312845 has 16 divisors (see below), whose sum is σ = 2526219072. Its totient is φ = 701727360.

The previous prime is 1447312837. The next prime is 1447312849. The reversal of 1447312845 is 5482137441.

It is not a de Polignac number, because 1447312845 - 2³ = 1447312837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447312849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4385632 + ... + 4385961.

It is an arithmetic number, because the mean of its divisors is an integer number (157888692).

Almost surely, 2^1447312845 is an apocalyptic number.

1447312845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1447312845 is a deficient number, since it is larger than the sum of its proper divisors (1078906227).

1447312845 is a wasteful number, since it uses less digits than its factorization.

1447312845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771612.

The product of its digits is 107520, while the sum is 39.

The square root of 1447312845 is about 38043.5650931928. The cubic root of 1447312845 is about 1131.1515774897.

The spelling of 1447312845 in words is "one billion, four hundred forty-seven million, three hundred twelve thousand, eight hundred forty-five".